Table 2.4: Formulas and Names of Some Common Polyatomic Ions

Vocabulary-style flashcards covering common polyatomic ions from Table 2.4.

Ammonium ion

NH_4^+

Cyanide ion

CN^-

Hypochlorite ion

ClO^-

Acetate ion

CH_3COO^-

Chlorite ion

ClO_2^-

Carbonate ion

CO_3^{2-}

Chlorate ion

ClO_3^-

Hydrogen carbonate ion

HCO_3^-

Perchlorate ion

ClO_4^-

Oxalate ion

C2O4^{2-}

Nitrite ion

NO_2^-

Chromate ion

CrO_4^{2-}

Nitrate ion

NO_3^-

Dichromate ion

Cr2O7^{2-}

Phosphate ion

PO_4^{3-}

Permanganate ion

MnO_4^-

Hydrogen phosphate ion

HPO_4^{2-}

Dihydrogen phosphate ion

H2PO4^-

Hydroxide ion

OH^-

Sulfite ion

SO_3^{2-}

Sulfate ion

SO_4^{2-}

Hydrogen sulfate ion

HSO_4^-